System and method for reading one or more RFID tags in a metal case with a collision avoidance protocol

摘要

Playback (1) for objects (14) carrying each at least one RFID tag (15), said objects placed in a case (13), said apparatus comprising (1) at least one shaped tunnel (3 ) wherein said box is positioned, said element comprising at least one antenna (4) and an RFID reader (10), wherein said antenna (4) comprises at least three coils (5-9) formed by a continuous thread , each coil comprising several turns, said coils (5-9) distributed along and around said tunnel (3), the turns of said coils (5-9) approximately perpendicular to the main axis of the tunnel (3) and said coils separated from each other and parallel to each other.